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Finding the Fourth Proportional to 101,570.02, 140,167.02 and 56,247.01

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Solution

The fourth proportional to 101,570.02, 140,167.02 and 56,247.01 is: 77,621.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,570.02 : 140,167.02 = 56,247.01 : x
  2. Step 2: Convert to fraction form
    101,570.02/140,167.02 = 56,247.01/x
  3. Step 3: Cross multiply
    101,570.02x = 140,167.02 × 56,247.01
  4. Step 4: Simplify right side
    101,570.02x = 7,883,975,775.61
  5. Step 5: Solve for x
    x = 7,883,975,775.61/101,570.02
  6. Step 6: Final answer
    x = 77,621.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.